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Galax GeForce RTX 5080 Star Nox OC specifications and in-depth review

Galax GeForce RTX 5080 Star Nox OC

Manufacturer: Galax

The Galax GeForce RTX 5080 Star Nox OC is a high-performance graphics card designed for demanding applications. Featuring a 16GB GDDR7 VRAM, this GPU delivers smooth performance in gaming and creative tasks.

It is equipped with a 2295 MHz GPU clock speed and offers impressive floating-point performance with 57.74 TFLOPS. With support for advanced features like ray tracing, DLSS, and Intel Resizable BAR, it is built to handle modern graphics workloads effectively.

Pros
  • Supports ray tracing for enhanced graphics quality in compatible applications.
  • Has 16GB of GDDR7 VRAM, providing ample memory for demanding tasks and high-resolution gaming.
  • Equipped with PCIe 5.0 for fast data transfer, ensuring optimal performance in modern systems.
  • Supports Intel Resizable BAR for improved system performance during gaming and heavy workloads.
  • Capable of driving up to four displays simultaneously, supporting multi-display setups.
Cons
  • Lacks USB-C, DVI, and mini DisplayPort outputs, limiting display connectivity options.
  • Does not include air-water cooling, potentially requiring additional cooling solutions in high-performance scenarios.
  • Large physical size with a width of 348 mm and height of 155 mm, which may not fit in all PC cases.
Who is this for?

The Galax GeForce RTX 5080 Star Nox OC is ideal for users who demand high-performance graphics for gaming, content creation, or professional applications. With its 16GB of GDDR7 VRAM and 57.74 TFLOPS of floating-point performance, it is well-suited for handling graphically intensive tasks such as 4K gaming, real-time ray tracing, and rendering complex 3D models. Additionally, the ability to support multi-display setups makes it a great choice for users who need extensive workspace across multiple monitors.

Who is this NOT for?

This graphics card may not be the best choice for users with limited space in their PC cases, as its 348 mm width and 155 mm height could pose compatibility issues in smaller builds. It is also not ideal for those seeking a card with broad display connectivity options, as it lacks USB-C, DVI, and mini DisplayPort outputs. Additionally, users looking for an integrated air-water cooling solution will need to consider external cooling solutions, as this card does not support air-water cooling.

Performance:

GPU clock speed 2295 MHz
GPU turbo 2685 MHz
pixel rate 300.7 GPixel/s
floating-point performance 57.74 TFLOPS
texture rate 902.2 GTexels/s
GPU memory speed 1875 MHz
shading units 10752
texture mapping units (TMUs) 336
render output units (ROPs) 112
Has Double Precision Floating Point (DPFP) ✓

The performance of the Galax GeForce RTX 5080 Star Nox OC is driven by its impressive 2295 MHz GPU clock speed and a 2685 MHz GPU turbo, enabling smooth and fast graphics rendering. It boasts a high pixel rate of 300.7 GPixel/s and a texture rate of 902.2 GTexels/s, making it well-suited for demanding graphical tasks. With a floating-point performance of 57.74 TFLOPS and 10752 shading units, it delivers powerful computational performance. The card also features 336 texture mapping units and 112 render output units, further enhancing its efficiency in handling complex scenes. Additionally, it supports double precision floating point (DPFP) for applications requiring high accuracy.

Memory:

effective memory speed 30000 MHz
maximum memory bandwidth 960 GB/s
VRAM 16GB
GDDR version GDDR7
memory bus width 256-bit
Supports ECC memory ✓

The Galax GeForce RTX 5080 Star Nox OC is equipped with 16GB of GDDR7 VRAM, offering substantial memory for high-performance gaming and demanding applications. Its effective memory speed reaches 30000 MHz, while the card features a maximum memory bandwidth of 960 GB/s, ensuring rapid data transfer. With a 256-bit memory bus width, this GPU provides strong data handling capabilities and supports ECC memory for enhanced error correction, making it suitable for stable, long-duration workloads.

Features:

DirectX version DirectX 12 Ultimate
OpenGL version 4.6
OpenCL version 3
Supports multi-display technology ✓
supports ray tracing ✓
Supports 3D ✓
supports DLSS ✓
has XeSS (XMX) ✕
AMD SAM / Intel Resizable BAR Intel Resizable BAR
has LHR ✕
has RGB lighting ✓
supported displays 4

The Galax GeForce RTX 5080 Star Nox OC is packed with advanced features for modern graphics applications. It supports DirectX 12 Ultimate and ray tracing, delivering cutting-edge graphical effects. The card is also compatible with multi-display setups, supporting up to four displays, and includes RGB lighting for customizable aesthetics. Additionally, it supports DLSS for improved performance and Intel Resizable BAR for enhanced data access during gaming and heavy workloads.

Ports:

has an HDMI output ✓
HDMI ports 1
HDMI version HDMI 2.1b
DisplayPort outputs 3
USB-C ports 0
DVI outputs 0
mini DisplayPort outputs 0

The Galax GeForce RTX 5080 Star Nox OC offers a range of video output options, including 1 HDMI 2.1b port and 3 DisplayPort outputs, ensuring compatibility with a variety of display setups. It does not feature USB-C, DVI, or mini DisplayPort outputs, but the available HDMI and DisplayPort options provide solid connectivity for modern monitors and TVs.

General info:

GPU architecture Blackwell
release date January 2025
Thermal Design Power (TDP) 360W
PCI Express (PCIe) version 5
semiconductor size 5 nm
number of transistors 45600 million
Has air-water cooling ✕
width 348 mm
height 155 mm

The Galax GeForce RTX 5080 Star Nox OC is built on the Blackwell GPU architecture, featuring a 360W thermal design power (TDP) to ensure efficient cooling. It supports PCIe 5.0 for fast data transfer and is manufactured with a 5nm semiconductor size, integrating 45.6 billion transistors. While it lacks air-water cooling, it is designed with a compact form factor, measuring 348 mm in width and 155 mm in height.

Final Verdict

The Galax GeForce RTX 5080 Star Nox OC is a high-performance graphics card designed for users who demand power and versatility in gaming and professional applications. With its 16GB of GDDR7 VRAM and 57.74 TFLOPS of floating-point performance, it excels in handling demanding workloads such as 4K gaming and real-time ray tracing. The ability to support multi-display setups makes it an excellent choice for expansive workstation configurations. While it does have limitations, such as its large physical size and lack of USB-C and mini DisplayPort outputs, it is still a solid choice for those seeking top-tier graphical power and performance.